First wrap some coconut fiber around the top of your tree trunk. This is to imitate old grow of branches.
先在树干的顶部包些椰棕，以模仿老枝的效果。
The frequency of the wood fiber length in different parts of the trunk is in evenly normal distribution.
不同树干部位木材纤维的长短频率分布均匀且遵从正态分布。
Optical fiber transmission has also become the major means of communication, particularly in the trunk communication network.
光纤传输也已成为当前通信，特别是干线通信的主要手段。
The civil aviation cable communication is closely relative to the cable date such as the trunk cable layout data, cable and fiber routing schematics data, the pipeline routing schematics data, etc.
民航有线通信工作与缆线的主干配线资料、电缆光缆路由图纸、管道路由图纸等有线资料密不可分。
Increase the ability of correspond by letter, raise the telephone universality rate, take the area trunk line fiber optic cable and the city country telephone nets as the point.
增加通信能力，提高电话普及率，以区际干线光缆和城乡电话网为重点。
Increase the ability of correspond by letter, raise the telephone universality rate, take the area trunk line fiber optic cable and the city country telephone nets as the point.
增加通信能力，提高电话普及率，以区际干线光缆和城乡电话网为重点。
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